Doomsday Excruciator + Maddening Cacophony

Mana needed: {3}{U}{B}{B}{B}{B}{B}{B}

UB identity

Commander legal

The 2 combo pieces

• Doomsday Excruciator
• Maddening Cacophony

How to execute it

1. Cast Doomsday Excruciator by paying {B}{B}{B}{B}{B}{B}.
2. When Doomsday Excruciator enters, it triggers, causing each player to exile all but the bottom six cards of their library.
3. Cast Maddening Cacophony by paying {1}{U}, causing each opponent to mill the rest of their library.

What the combo produces

• Infinite mill
• Near-infinite self-mill